Question

5.4 community stability
key concepts
following a disturbance, communities may undergo succession.
without limiting factors, species introduced to a new area can become invasive.
skill builder vocabulary preview
define each vocabulary term in your own words. then, write yourself a quick
note on how you will remember each. one term has been done for you.

Explanation:

• Succession: The process of change in a community over time. Remember: Like a story unfolding in a place.
• Primary succession: Begins in a lifeless area (no soil). Remember: "Primary" like first, starting from scratch.
• Secondary succession: Starts in an area where a disturbance destroyed a community but left soil. Remember: "Secondary" like after - something, soil already there.
• Invasive species: Species that cause harm in a new area. Remember: "Invasive" like invading and causing problems.

Answer:

Term	Definition	How I Remember
Primary succession	Begins in a lifeless area (no soil).	"Primary" like first, starting from scratch.
Pioneer species	Species that first colonize newly exposed land	I once heard someone call the first astronaut in space a space pioneer.
Secondary succession	Starts in an area where a disturbance destroyed a community but left soil.	"Secondary" like after - something, soil already there.
Invasive species	Species that cause harm in a new area.	"Invasive" like invading and causing problems.